Home / 18,458,435.52-25,472,907.54-10,198,688.74

Finding the Fourth Proportional to 18,458,435.52, 25,472,907.54 and 10,198,688.74

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Solution

The fourth proportional to 18,458,435.52, 25,472,907.54 and 10,198,688.74 is: 14,074,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,435.52 : 25,472,907.54 = 10,198,688.74 : x
  2. Step 2: Convert to fraction form
    18,458,435.52/25,472,907.54 = 10,198,688.74/x
  3. Step 3: Cross multiply
    18,458,435.52x = 25,472,907.54 × 10,198,688.74
  4. Step 4: Simplify right side
    18,458,435.52x = 259,790,255,239,576.84
  5. Step 5: Solve for x
    x = 259,790,255,239,576.84/18,458,435.52
  6. Step 6: Final answer
    x = 14,074,337.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.